CATHERINE COX, MD, INC
NPI 1316483225
Ophthalmology in San Rafael, CA
About Catherine Cox, Md, Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE COX, MD, INC (NPI 1316483225) is a healthcare organization registered as an ophthalmology in San Rafael, California and active in the NPI registry since January 2017. The organization lists Catherine Cox, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Catherine Cox, Md, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Catherine Cox, MD, Inc, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Catherine Cox, MD, Inc's NPI number?
The NPI number for Catherine Cox, MD, Inc is 1316483225. It was assigned to this organization in the NPPES registry on January 17, 2017.
Where is Catherine Cox, MD, Inc located?
Catherine Cox, MD, Inc is located at 711 D St Ste 102, San Rafael, CA 94901. The listed phone number is (617) 645-8141.
What is Catherine Cox, MD, Inc's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Catherine Cox, MD, Inc enrolled in Medicare?
Yes. Catherine Cox, MD, Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Catherine Cox, MD, Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Ophthalmology) reassigns their Medicare billing to Catherine Cox, MD, Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Catherine Cox, MD, Inc was last updated on January 17, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Catherine Cox, Md, Inc · NPI 1316483225
Ophthalmology organization in San Rafael, California. Organization record, active in the CMS NPPES registry since January 17, 2017.
## Identity
- **NPI:** 1316483225 (Entity type: Organization)
- **Enumerated:** January 17, 2017
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **Organization subpart:** No
- **Authorized official:** Catherine Cox, PRESIDENT
## Practice location
- **Address:** 711 D ST STE 102, San Rafael, CA 94901-3703
- **Phone:** (617) 645-8141
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Ophthalmology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 17, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1316483225) · Data from the CMS NPPES public registry.